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SMALL BOATS ELECTRICAL INSTALLATIONS

John Peckham

I have been asked about electrical installations in small boats. Now I know they are out of scope for BS 7671 but I do not know if there is a similar standard for small boats. Could I ask the forum please if you do installations in small boats? If so do you install to a specific standard or best practice and do you certify the end result after inspecting and testing to the standard or best practice? I thinking here about canal boats, yachts and cabin cruisers not bigger vessels such as ships as these are covered by an IET publication and insurance company requirements. I have looked at a canal boat and it was more like a floating domestic installation in twin and earth and a domestic consumer unit! Given the amount of boats and pleasure craft around I cannot believe there is not a common standard or publication, or maybe there is?

Thanks

JP

  • 0 in reply to Jon Steward

    Over the years the magazine Practical Boat Owner has cover this subject very well.

    Another article

    Sacrificial Anodes | Boat Fittings

    Z.

  • 0 in reply to Zoomup
    Zoomup said:
    The outboard motor is always tilted so that the prop is out of the water when I am not using my boat.

    Silly me! I visualised you punting around in Norfolk.

  • 0

    I completed my training as an electrician at Kidderminster College, about as far inland as you can get however at that time the Sealine Boatyard was building boats just down the road alongside the Worcester road.

    There were several fellow students who worked at Sealine and we used to have a chat over coffee, despite its location most of the boats coming out of the boat yard were wired to the American standards as most were expected to be used on the other side of the Atlantic and even if they were heading to the Mediterranean most customers preferred the American standards. 

  • 0 in reply to Chris Pearson

    You're thinking of Oxbridge Chris.

    Z.

  • 0 in reply to Sparkingchip

    and..............?

    Z.

  • 0 in reply to Zoomup

    Electrically all insulated craft at Oxford.

    https://www.stx.ox.ac.uk/the-college-punt

    Z.

  • 0 in reply to GeoffBlackwell

    Hi Geoff,

    I agree 60092-507 does also cover single phase and DC which is why I said 'primarily covers'. Forgive me if I gave the impression that it only covered three-phase, since having spent 9 years as Chairman of the Technical Committee that produced the Standard I am confident that it is a better standard for electrical systems on boats, even those with single phase ac and dc, than the two ISO standards mentioned by the Recreational Craft Directive (RCD), but ISO seem to have more influence with the EU decision makers regarding which standards should be followed for presumed compliance.

    If the RCD is applicable then the ISO standards may be the ones that are more or less mandated.

    Alasdair

  • 0

    THIs discussion is a classic example of why this new forum layout is just not fit for purpose, a lot of the discussion has been added onto a post halfway up the page and there’s not any sense or reason to how the discussion has been progressed from there on.

  • 0 in reply to Sparkingchip

    The reply is linked to the comment it is responding to so it works for some discussions but I agree that it causes more confusion than it solves. It was always easy enough to 'quote' the comment you were responding to - and if you are responding to a ten paragraph response and want to refer to a particular sentence halfway through a paragraph you still need to copy/paste to make it understandable.

  • 0 in reply to Zoomup

    That naughty Norfolk water.

    Train driver avoids derailment leaving front of cab dangling over track damaged by floodwater | Daily Mail Online

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